n and s methylation
Photocatalytic Degradation of Isoproturon Pesticide on C, N and S Doped TiO2
Ngày tải lên :
26/03/2014, 00:20
... carbonyl group and bands at 1130, 1040 cm-1 are corresponding to nitrite and hyponitrite groups present in TCNS5 and they are absent in TCNS0 which shows successful doping of nitrogen into the lattice ... (b) TCNS15 TCNS10 TCNS5 TCNS3 TCNS1 TCNS0 Absorbance (a.u) Absorbance (a.u) TCNS15 TCNS10 TCNS5 TCNS3 TCNS1 TCNS0 800 Wavelength ( nm ) 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6 3.8 4.0 Bandgap ... doping of C, N and S elements in titania brings visible light absorption photocatalytic activity of titania It can be seen from the DRS spectra that C, N, and S doping resulted in an intense increase...
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Chemistry of cyclopentadienylchromium complexes containing c , n and s organic ligands
Ngày tải lên :
03/10/2015, 20:33
... Scheme 1.2.5 N N Cl Au CNtBu N S + KS S SK N S S + Au Au CNtBu CNtBu KCl -2 CNtBu S S N N N N Au Au S S N S S N S N S S N Au S S Au N S S N S N Au Au S Au N Au S N Au S N Au Au S Au S N S N 65 The ... complexes µ-η1,η1 (N, N') M 46 M N N N N N N N Ni N S N N Ni S S N R S N R R = Ph (No X-ray Structure) µ-η1,η1 (S ,N) 47 Me N M N Sn N N M S N S R N Me N R N R Me N C N S Me N N C Me Me Sn Sn Me Me N N ... µ-η1,η1 (S ,N) 37 SnMe3 M N N S S N N S S S S SnMe3 M (No X-ray Structure) µ-η2,η2[ (S ,N) , (S ,N )] M N N 35(b) Ph S S S Cl Cl M Sn Ph N S µ6-(η1,η1),η1,η1,(η1,η1) N M S M S N M M S N N S S N S S S N Au...
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Contributions of Various Noncovalent Bonds to the Interaction between an Amide and S-Containing Molecules
Ngày tải lên :
16/12/2012, 15:21
... contributing noncovalent bonds, none of which is mask its presence dominant by any means This structure, a (Figure 1), has An SHãããO H-bond makes an appearance in the second most stable minimum, ... 3541 Interaction between an Amide and S- Containing Molecules b and c indicates that the benefit of forming CHãã S and SHãããp H-bonds, even weak ones, is worth the stretching and bending of the SHãããO ... While SHãããO is the strongest H-bond in which CH3SH engages with NMA, it is only slightly stronger than NHãã S Indeed, the latter H-bond is strengthened in CH3SCH3 and CH3SSCH3, thus invalidating...
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Xấp xỉ giá trị của các hàm số học t( n) và s( n) luận văn thạc sỹ toán học
Ngày tải lên :
25/12/2013, 11:04
... Khái niệm 2.1.1 Khái niệm bậc O – l n Giả s g ( n) hàm s xác định với s nguy n dương n ≥ a với a s nguy n dương N u t n hàm đ n điệu dương h (n) xác định với s nguy n dương n ≥ a s k không ... hướng d n với tình cảm s u s c Tác giả xin bày tỏ lòng biết n tới PGS.TS Nguy n Quý Dy, PGS TS Ngô S Tùng, PGS TS Lê Quốc H n, TS Nguy n Thị Hồng Loan, TS Đào Thị Thanh Hà giúp đỡ tác giả ho n ... vào n cho: g (n) ≤ kh (n) , n ≥ a Khi ta viết: g ( n) = O(h( n) ) Chú ý rằng, k phải s thực dương ph n lu n giả s k s nguy n dương h (n) thường hàm đ n gi n như: n, log n, n log n, 1, n , n3 ...
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Tài liệu Báo cáo khoa học: Binding of N- and C-terminal anti-prion protein antibodies generates distinct phenotypes of cellular prion proteins (PrPC) obtained from human, sheep, cattle and mouse doc
Ngày tải lên :
19/02/2014, 02:20
... glycosylation sites and a disulphide bond between cysteine residues [18] The role of PrPC in cell function is not known, but it has been associated with synaptic, enzymatic and signaling functions, ... the antibodies SAF34 and P4 strongly stained the di-glycosylated band, and mAbs 6H4, SAF60, SAF70 and SAF84 showed the highest staining with the overlapping bands of nonglycosylated full-length ... central region Antibodies 6H4, SAF60, SAF70 and SAF84 gave strong signals for full-length PrPC and less intense signals for the truncated fragments (Fig 6A–C) Taken together, these findings indicate...
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Tài liệu Báo cáo khoa học: Oxidized elafin and trappin poorly inhibit the elastolytic activity of neutrophil elastase and proteinase 3 pdf
Ngày tải lên :
19/02/2014, 07:20
... elastase (NE) and proteinase (Pr3) by native and N- chlorosuccinimide-oxidized ela n (A) and trappin (B) Increasing concentrations of inhibitor were added to constant concentrations of enzyme, and ... dissociation rate constant kass and E þ I Ð EI an equilibrium dissociation constant S M Nobar et al the aforementioned oxidants The present article reports the kinetic consequences of inhibitor ela n and ... dissociation rate constant, kdiss, a decrease in the association rate constant, kass, or an effect on both parameters (Ki ¼ kdiss ⁄ kass)? To answer this question, we measured kdiss by extensively...
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Tài liệu Báo cáo khoa học: Comparative studies on the functional roles of N- and C-terminal regions of molluskan and vertebrate troponin-I pdf
Ngày tải lên :
20/02/2014, 01:20
... solution and then run on SDS ⁄ PAGE Lanes a and d, in the absence of both TnC and Ca2+; lanes b and e, in the presence of TnC and the absence of Ca2+; lanes c and f, in the presence of both TnC and ... run in the absence (lanes h–l) or presence (lanes m–q) of equimolar amounts of Akazara scallop TnC Lanes h and m, ATnI-52K; lanes i and n, ATnI-19K; lanes j and o, ATnI1)128; lanes k and p, ATnI130)252; ... muscle contraction [10] TnC interacts with both TnI and TnT The TnC–TnI interaction and changes in the interaction upon Ca2+ binding to TnC have been intensively studied as the central mechanisms...
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Chương 4 QU N TR CHI N LƯ CPhân tích ngu n l cn ib doanh nghi pTi n sĩ Nguy n Văn S.nM c tiêu nghiên c u1. Phân tích các y u t ngu n l c n i b và tác ñ ng c a chúng ñ n chu i giá tr . 2. Tìm hi u cách th c ki m soát ngu n l c n i b c a doanh nghi p pot
Ngày tải lên :
06/03/2014, 16:20
... thác ngu n tài nguy n c a doanh nghi p C a b ph n ch c n ng: Qu n tr tài (b ng t ng k t tài s n, ph n tích ch s tài hi u qu , tình hình huy ñ ng s d ng v n ) Qu n tr nh n s ( y quy n, ñ ng vi n ... ngu n tài chính: Ngu n v n ch s h u Kh tăng m c huy ñ ng v n c ph n Các ngu n v n vay Các ngu n thuê mua tài chính… 4-10 Tài s n h u hình Các ngu n tài s n v t ch t: Nhà máy s n xu t, kho tàng ... m ngu n l c n i b Ph n bi t b n gi a môi trư ng b n môi trư ng n i b doanh nghi p Quan ñi m b n v ngu n l c n i b c a m t công ty S c n thi t ph i nh n d ng rõ ñi m m nh, ñi m y u ngu n l c n...
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Báo cáo khoa học: ` Inhibition of human ether a go-go potassium channels by 2+ Ca ⁄calmodulin binding to the cytosolic N- and C-termini potx
Ngày tải lên :
07/03/2014, 12:20
... hEAG1 channel subunit consisting of six transmembrane segments and extended cytosolic N- and C-terminal domains Functional channels are formed by of such subunits involving the C-terminal assembly ... protein containing the hEAG1 N- terminus binds hCaM in a Ca2+-dependent manner The GST-fusion proteins GST -N and GST-C34 as well as GST alone was bound to glutathione-sepharose and subsequently incubated ... channels, hEAG1 harbors CaM-binding motifs in the N- and C-terminal domain and both of them are functional in a sense that mutagenesis inside these domains results in a loss of Ca2+ sensitivity...
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Báo cáo khoa học: Kinetics of the inhibition of neutrophil proteinases by recombinant elafin and pre-elafin (trappin-2) expressed in Pichia pastoris ppt
Ngày tải lên :
07/03/2014, 15:20
... molecular mass of kDa consistent with mature elan as assessed by SDS/PAGE under reducing conditions and Western blot analysis (not shown) Those conditions were retained for large-scale production of ... recombinant elan Culture of clones expressing trappin-2 in the same conditions followed by SDS/PAGE analysis of secreted proteins in supernatants revealed the presence of three proteins at 15, 13 and ... pastoris expression system Using a genetic construct consisting of the yeast a-factor signal sequence, stable transformants were obtained which secrete full-length elan or full-length trappin-2...
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Báo cáo khoa học: Amino acids at the N- and C-termini of human glutamate carboxypeptidase II are required for enzymatic activity and proper folding pptx
Ngày tải lên :
07/03/2014, 15:20
... confirmed plasmid integration into the genome of Schneider S2 cells and functional transcription of GCPII-coding sequences (data not shown) Inhibition of proteasome degradation As the mRNAs encoding ... amino acid assignments, Speno et al [19] mutated the putative zinc ligands, putative substrate-binding residues and other amino acids situated in the vicinity of these residues The results confirmed ... of Drosophila Schneider s S2 cells The expression and carboxypeptidase activities of the individual constructs were analyzed both in cell lysates and conditioned media, and the results are summarized...
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Chương 6 QU N TR CHI N LƯ CChi n lư c c p công tyTi n sĩ Nguy n Văn S.nM c tiêu nghiên c u1. Làm rõ t m quan tr ng c a chi n lư c c p công ty. 2. Tìm hi u n i dung cơ b n mà chi n lư c c p công ty ph i ñ t ra và gi i quy t. 3. N m ñư c các lo i hình potx
Ngày tải lên :
15/03/2014, 17:20
... doanh hi n t i c a doanh nghi p v n phát tri n m nh Nhưng doanh nghi p không ñ s c ñ áp d ng chi n lư c tăng trư ng t p trung 6-15 Chi n lư c tăng trư ng h i nh p (Integrative Growth Strategy) Strategy) ... dài h n M c tiêu c th bao g m (nhưng không gi i h n) m t sau: Tăng l c s n xu t kinh doanh M r ng th trư ng, tăng th ph n Tăng doanh thu, tăng l i nhu n 6-7 N i dung c a chi n lư c c p công ty ... chi n lư c c p công ty ð nh hư ng s phát tri n th ng nh t to n công ty, k c bành trư ng ho t ñ ng n c ði u ph i ho t ñ ng to n di n ñ i v i t t c SBU b ph n ch c Hư ng d n xây d ng, th c hi n...
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Chương 8 QU N TR CHI N LƯ CChi n lư c c p ch c năngTi n sĩ Nguy n Văn S.nM c tiêu nghiên c u1. Làm rõ t m quan tr ng c a chi n lư c c p ch c năng. 2. Tìm hi u n i dung cơ b n mà chi n lư c c p ch c năng ph i ñ t ra và gi i quy t. 3. N m ñư c các lo pptx
Ngày tải lên :
15/03/2014, 17:20
... Just-in-time (JIT) lo i nguy n li u (có ñ nh m c s d ng l n t n su t cung ng thư ng xuy n) 8-8 Qu n tr cung ng Lưu ý: Tìm nhi u ngu n nguy n li u, tránh l thu c m t vài nhà cung ng ñ ph n t n ... ki n có th 8-22 11 Qu n tr tài nguy n nh n l c Bi n pháp: Chính s ch n d ng khoa h c Chính s ch ñãi ng h p lý ðào t o, n ng cao tay ngh thư ng xuy n Cơ ch ñánh giá, ñ ng vi n, khen thư ng minh ... hóa chi n lư c c p công ty c p SBU vào ho t ñ ng s n xu t kinh doanh N bao g m nh ng m c tiêu ng n h n (có th c trung h n) bi n pháp c th ñ Ban qu n lý ch ñ o ho t ñ ng thư ng nh t c a ñ n v 8-4...
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Báo cáo khoa học: The starch-binding capacity of the noncatalytic SBD2 region and the interaction between the N- and C-terminal domains are involved in the modulation of the activity of starch synthase III fromArabidopsis thaliana pdf
Ngày tải lên :
22/03/2014, 21:20
... and SSV, and the granule-bound enzymes GBSSI and GBSSII) [1–3,6–10] Each SS isoform has a specific role in determining the final structure of starch, i.e GBSSs are involved in amylose synthesis, ... chain [1,3,5] Multiple SS isoforms have been described in plants: up to five SS isoforms have been categorized according to conserved sequence relationships (soluble forms SSI, SSII, SSIII, SSIV and ... each SS soluble isoform has a different role in amylopectin biosynthesis: whilst SSII and SSIII have a major role in the synthesis of amylopectin, it has been suggested that SSI is mainly involved...
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Báo cáo khoa học: Stabilities and activities of the N- and C-domains of FKBP22 from a psychrotrophic bacterium overproduced in Escherichia coli pptx
Ngày tải lên :
23/03/2014, 13:20
... was drawn on the assumption that the protein unfolds in a single cooperative fashion (data not shown) Discussion Unfolding of SIB1 FKBP22* In this study, SIB1 FKBP22* was shown to unfold in a ... the initiator methionine residue The ranges of the N- and C-domains are also shown contains the entire a3 helix and the latter does not contain it Overproduction and purification Upon induction for ... [10] and E coli FkpA [11], these proteins are composed of N- and C-domains, which are spanned by a 40 amino acid long a3 helix The N- domain consists of a1 and a2 helices and an N- terminal region...
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Báo cáo khoa học: Coexpression, purification and characterization of the E and S subunits of coenzyme B12 and B6 dependent Clostridium sticklandii D-ornithine aminomutase in Escherichia coli potx
Ngày tải lên :
30/03/2014, 15:20
... an explanation for the strong interaction between the S and E components Previous studies have shown that it is necessary to include coenzyme B12 or B6 during the refolding of OraE and OraS in ... Protein determination and enzyme assay Protein concentrations were determined by the method of Bradford using bovine serum albumin as standard [6] The Ó FEBS 2004 D-Ornithine assay kit was obtained ... strict Discussion Fig Binding of PLP to recombinant measured by equilibrium dialysis D-ornithine aminomutase The genes encoding D-ornithine aminomutase, oraE and oraS, are adjacent on the clostridial...
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Báo cáo khoa học: Characterization of novel sequence motifs within N- and C-terminal extensions of p26, a small heat shock protein from Artemia franciscana potx
Ngày tải lên :
30/03/2014, 20:20
... modulation in vitro [50–53] As shown in this paper, the p26 a-crystallin domain consists predominantly of b-strands arranged as a b-sheet sandwich The N- terminal extension is 60 residues in length and ... less so in human aA-crystallin [22] Substrate release from sHSPs and subsequent refolding depend on ATP-requiring chaperones such as HSP70 [18,23,24] The sHSPs confer stress tolerance on living ... C-terminal is 40, both with limited similarity to corresponding regions in other sHSPs (Fig 1) The extensions may determine distinct sHSP properties and in this context the p26 N- terminus possesses...
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Báo cáo khoa học: Role of the N- and C-terminal regions of the PufX protein in the structural organization of the photosynthetic core complex of Rhodobacter sphaeroides pptx
Ngày tải lên :
31/03/2014, 09:20
... constructed The first series consists of a progressive deletion at the N- terminus, extending from the second residue of the primary sequence; the second series consists of a progressive truncation ... Western blot analysis with anti-His6 antibodies However the genetic background of the strains used is different: in our studies (present paper and [16]) both the LH2 and the LH1 antenna systems ... protein–protein interactions stabilizing the LH1–RC complex To this aim two sets of mutant strains have been constructed The N- terminal domain has been progressively shortened by deletions extending...
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Báo cáo sinh học: "Multiplex Zymography Captures Stage-specific Activity Profiles of Cathepsins K, L, and S in Human Breast, Lung, and Cervical Cancer" potx
Ngày tải lên :
18/06/2014, 22:20
... Life Sciences (Plymouth Meeting, PA) Human cathepsins K and S were expressed in insect cells, human cathepsin V was expressed in NSO cells, and human cathepsin L was isolated from liver Western ... of studies have implicated cathepsin K expression in cancer progression and metastasis using cathepsin K inhibitors [19,20], mRNA analysis [21,22], and immunohistochemical labeling of normal and ... Profiles of Cathepsins K, L, and S in Human Breast, Lung, and Cervical Cancer Binbin Chen and Manu O Platt* Abstract Background: Cathepsins K, L, and S are cysteine proteases upregulated in cancer and...
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